2121
Number 2121: Properties, Factors, and Mathematical Facts
Short answer
The number 2121 is an odd composite number with 8 positive divisors. Its prime factorization is 3 × 7 × 101. It is also a deficient number, which gives it several notable mathematical relationships.
Is 2121 prime?
ClassificationCompositeParityOddDivisor count8AbundanceDeficient
What is the prime factorization of 2121?
Prime factorization
3 times 7 times 101
What are the divisors of 2121?
Divisor count
8
Divisor sum
3,264
Proper divisor sum
1,143
- 1
- 3
- 7
- 21
- 101
- 303
- 707
- 2121
How is 2121 classified?
How is 2121 represented in other numeral systems?
Decimal
2121
Binary
100001001001
Octal
4111
Hexadecimal
849
Roman
MMCXXILearn more →
In words
two thousand one hundred twenty one
Roots and powers
Square root
46.054316 Approximate
Cube root
12.848336 Approximate
Nearest lower square
2116
Nearest higher square
2209
Nearest lower cube
1728
Nearest higher cube
2197
What are the digit properties of 2121?
Which numbers are related to 2121?
Why these results are true
- 2121 is composite because it has positive divisors other than 1 and itself.
Compare this number
FAQ for 2121
- Is 2121 prime?
- No
- What is the prime factorization of 2121?
- 3 × 7 × 101
- Is 2121 a perfect square?
- No
- What is 2121 in binary?
- 100001001001
- What is 2121 in Roman numerals?
- MMCXXI